1991 Johnson/Evinrude EI Outboards 2.3 thru 8 Service Manual, Page 192Get this manual
Steering Friction Adjustment
Igl Adjust steering friction with motor mounted to boat by loosening or tightening screwSteering friction should be adjusted so that slight drag is felt when turningThe steering friction adjustment should not be over-
ill tightened to allow "hands off" steeringIdle Speed Adjustment
idle speed adjusting knob is located on the steering handleTurning clockwise increases idle speed, turning counterclockwise decreases idle speedMake certain that throttle grip is in slow position and the motor is at normal operating temperature before making the adjustment